CN208208454U - A kind of slide rheostat of dustproof construction - Google Patents
A kind of slide rheostat of dustproof construction Download PDFInfo
- Publication number
- CN208208454U CN208208454U CN201820443185.7U CN201820443185U CN208208454U CN 208208454 U CN208208454 U CN 208208454U CN 201820443185 U CN201820443185 U CN 201820443185U CN 208208454 U CN208208454 U CN 208208454U
- Authority
- CN
- China
- Prior art keywords
- slide
- bottom plate
- variable resistance
- dustproof construction
- capsul
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of slide rheostats of dustproof construction, bottom plate including insulation and the capsul for being set on the bottom plate insulation, bottom plate is equipped with variable resistance circuit, slide head is fitted on variable resistance circuit, variable resistance circuit and slide head are set in capsul, the slide head is mounted on the sliding bar for being parallel to bottom plate, and the side walls that one end of the sliding bar passes through capsul are installed.The purpose of this utility model is to provide a kind of slide rheostat with dustproof construction.
Description
Technical field
The utility model belongs to rheostat technical field, specifically, being related to a kind of slide rheostat of dustproof construction.
Background technique
Slide rheostat is a kind of adjustable electric component for obtaining different resistance, by changing access circuit part
Resistance changes the electric current in circuit, to change the voltage at conductor connected in series (electrical appliance) both ends.It in circuit can be with
It is used as current limiter, can also be used as divider use, play a part of to protect circuit.But existing slide rheostat be easy into
Ash influences the work of slide rheostat, causes slide rheostat failure.
Utility model content
It is a kind of with dustproof construction the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide
Slide rheostat.
In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is:
The slide rheostat of the dustproof construction of the utility model, comprising: the bottom plate of insulation and be set on the bottom plate the close of insulation
Capsule, bottom plate are equipped with variable resistance circuit, are fitted with slide head on variable resistance circuit, variable resistance circuit and slide head are set to sealing
In shell, the slide head is mounted on the sliding bar for being parallel to bottom plate, and the side wall that one end of the sliding bar passes through capsul is sliding
Dynamic installation.
The slide rheostat of the dustproof construction of the utility model, the variable resistance circuit are the planar circuit of inflection shape, variable resistance
It is partially submerged under circuit set on plate top surface, bottom plate is stretched out in upper part, and the part that variable resistance circuit stretches out bottom plate is variable resistance circuit
0.3~0.6 times of thickness.
The slide rheostat of the dustproof construction of the utility model, the slide head include conductive sliding body and
Slide plate set on sliding body bottom, the both ends of the slide plate are formed with to sliding body side to be bent in an arc shape.
The slide rheostat of the dustproof construction of the utility model, the sliding bar include the sliding bar shell of insulation and are set to
Conductive bar core in sliding bar shell, the bar core are connect with sliding body.
The slide rheostat of the dustproof construction of the utility model, the downside that the bar core protrudes into capsul inner end are equipped with
Threaded hole, the upper end of sliding body are equipped with the screw rod cooperated with threaded hole, and screw rod passes through sliding bar shell and is fitted to screw thread
In hole.
The slide rheostat of the dustproof construction of the utility model is equipped with sealing between the capsul and sliding bar.
The slide rheostat of the dustproof construction of the utility model, the sealing include the torus being mounted on capsul
And several elastic rubber strips avoided in torus, the elastic rubber strip form sealing surface, elastic rubber strip constitutes ring
Body, the length of elastic rubber strip is greater than the distance between torus inner wall to sliding bar.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art
By setting Packed capsul on bottom plate, slide head is sealingly disposed in capsul, sliding bar is from sealing
The side wall of shell passes through, thus mobile slide head, to change the size of resistance, which avoids rheostat from losing
Spirit, so that rheostat reliability is higher.
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the application, is further understood from the utility model for providing, the utility model
Illustrative embodiments and their description for explaining the utility model, but do not constitute improper limits to the present invention.Obviously,
The accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creative labor
Under the premise of dynamic, it can also be obtained according to these attached drawings other accompanying drawings.In the accompanying drawings:
Fig. 1 is rheostatic structure chart；
Fig. 2 is the installation diagram of slide head；
Fig. 3 is the partial top view of variable resistance circuit；
Fig. 4 is the structure chart of sealing.
It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way
Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this
Utility model, but be not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Embodiment one:
The slide rheostat of dustproof construction as shown in Figures 1 to 4, comprising: the bottom plate 1 of insulation and be set to bottom plate 1 on absolutely
The capsul 5 of edge, bottom plate 1 are equipped with variable resistance circuit 4, and slide head 2, variable resistance circuit 4 and sliding are fitted on variable resistance circuit 4
First 2 are set in capsul, and the slide head 2 is mounted on the sliding bar 3 for being parallel to bottom plate 1, and one end of the sliding bar 3 is worn
Cross the side walls installation of capsul 5.By setting Packed capsul on bottom plate, slide head is sealingly disposed in capsul
Interior, sliding bar is passed through from the side wall of capsul, thus mobile slide head, thus change the size of resistance, the device dust-proof effect
It is good, rheostat failure is avoided, so that rheostat reliability is higher.
The variable resistance circuit 4 is the planar circuit of inflection shape, is partially submerged under variable resistance circuit set on 1 top surface of bottom plate, on
Bottom plate 1 is stretched out in part, and the part of variable resistance circuit stretching bottom plate 1 is 0.3~0.6 times of variable resistance circuit thickness.By the way that variable resistance is electric
Road is set as the planar circuit of inflection shape, and circuit insertion is set on the bottom plate, so as to increase circuit flatness and installation can
By property, it is 0.3~0.6 times of variable resistance circuit thickness that variable resistance circuit, which stretches out the part of bottom plate 1, and preferably, variable resistance circuit stretches out bottom
The part of plate 1 is 0.5 times of variable resistance circuit thickness, so that resistance circuit can be contacted with slide head.
The slide head 2 includes conductive sliding body 201 and the slide plate 202 set on 201 bottom of sliding body,
The both ends of the slide plate 202 are formed with to sliding body side to be bent in an arc shape.The slide plate being equipped with enables to slide head and variable resistance electricity
It is contacted reliably between road, and force of sliding friction is small
The sliding bar 3 includes the sliding bar shell 301 and conductive bar core in sliding bar shell of insulation
302, the bar core 302 is connect with sliding body 201.Bar core and sliding bar shell form sliding bar, enable to sliding bar knot
Structure is reliable, the sliding bar of casing insulation can be avoided with other equipment conduction, improve the reliability of device.
The downside that the bar core 302 protrudes into 5 inner end of capsul is equipped with threaded hole 303, and the upper end of sliding body 201 is set
There is the screw rod 203 cooperated with threaded hole 303, screw rod 203 passes through sliding bar shell 301 and is fitted in threaded hole 303.It is equipped with
Helicitic texture installation equipment enable to it is easy for installation, fast.
Sealing 6 is equipped between the capsul 5 and sliding bar 3.The sealing 6 includes being mounted on capsul 5
Torus 601 and several elastic rubber strips 602 avoided in torus 601, the elastic rubber strip 602 form sealing
Face, elastic rubber strip 602 constitute ring body, and the length of elastic rubber strip 602 is greater than 601 inner wall of torus between sliding bar 3
Distance.By the sealing being equipped with, enable to sealing effect higher, sliding bar moves freely.
The above is only the preferred embodiment of the utility model, not makees in any form to the utility model
Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with
The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt
A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to
In the range of the utility model.
Claims (7)
1. a kind of slide rheostat of dustproof construction characterized by comprising the bottom plate (1) of insulation and be set to bottom plate (1) on absolutely
The capsul (5) of edge, bottom plate (1) are equipped with variable resistance circuit (4), are fitted with slide head (2), variable resistance on variable resistance circuit (4)
Circuit (4) and slide head (2) are set in capsul, and the slide head (2) is mounted on the sliding bar (3) for being parallel to bottom plate (1)
On, the side walls that one end of the sliding bar (3) passes through capsul (5) are installed.
2. the slide rheostat of dustproof construction according to claim 1, which is characterized in that the variable resistance circuit (4) is back
The planar circuit of shape is rolled over, is partially submerged under variable resistance circuit set on bottom plate (1) top surface, bottom plate (1) is stretched out in upper part, variable resistance circuit
The part for stretching out bottom plate (1) is 0.3~0.6 times of variable resistance circuit thickness.
3. the slide rheostat of dustproof construction according to claim 1, which is characterized in that the slide head (2) includes tool
Conductive sliding body (201) and the slide plate (202) set on sliding body (201) bottom, the both ends of the slide plate (202)
It is formed with and is bent in an arc shape to sliding body side.
4. the slide rheostat of dustproof construction according to claim 1, which is characterized in that the sliding bar (3) includes exhausted
The sliding bar shell (301) of edge and conductive bar core (302) in sliding bar shell, the bar core (302) and cunning
Dynamic main body (201) connection.
5. the slide rheostat of dustproof construction according to claim 4, which is characterized in that the bar core (302) is protruded into close
The downside of capsule (5) inner end is equipped with threaded hole (303), and the upper end of sliding body (201) is equipped with to be cooperated with threaded hole (303)
Screw rod (203), screw rod (203) passes through sliding bar shell (301) and is fitted in threaded hole (303).
6. the slide rheostat of dustproof construction according to claim 3, which is characterized in that the capsul (5) and sliding
Sealing (6) are equipped between bar (3).
7. the slide rheostat of dustproof construction according to claim 6, which is characterized in that the sealing (6) includes peace
Torus (601) on capsul (5) and several elastic rubber strips (602) avoided in torus (601) are set to, it is described
Elastic rubber strip (602) forms sealing surface, and elastic rubber strip (602) constitutes ring body, and the length of elastic rubber strip (602) is greater than circle
Ring body (601) inner wall is the distance between to sliding bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443185.7U CN208208454U (en) | 2018-03-30 | 2018-03-30 | A kind of slide rheostat of dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820443185.7U CN208208454U (en) | 2018-03-30 | 2018-03-30 | A kind of slide rheostat of dustproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208454U true CN208208454U (en) | 2018-12-07 |
Family
ID=64524932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820443185.7U Expired - Fee Related CN208208454U (en) | 2018-03-30 | 2018-03-30 | A kind of slide rheostat of dustproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208454U (en) |
-
2018
- 2018-03-30 CN CN201820443185.7U patent/CN208208454U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20200330 |